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GOSSIP-48 user shutdown message

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This commit is contained in:
Edward Capriolo
2017-02-06 22:09:55 -05:00
parent 32c082a0cb
commit 296b55fa9f
10 changed files with 187 additions and 36 deletions
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34
src/main/java/org/apache/gossip/manager/DatacenterRackAwareActiveGossiper.java
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@ -18,7 +18,6 @@
package org.apache.gossip.manager;
import java.util.List;
import java.util.Random;
import java.util.ArrayList;
import java.util.Collections;
import java.util.concurrent.ArrayBlockingQueue;
@ -52,7 +51,6 @@ public class DatacenterRackAwareActiveGossiper extends AbstractActiveGossiper {
private ScheduledExecutorService scheduledExecutorService;
private final BlockingQueue<Runnable> workQueue;
private ThreadPoolExecutor threadService;
private final Random random;
public DatacenterRackAwareActiveGossiper(GossipManager gossipManager, GossipCore gossipCore,
MetricRegistry registry) {
@ -61,7 +59,6 @@ public class DatacenterRackAwareActiveGossiper extends AbstractActiveGossiper {
workQueue = new ArrayBlockingQueue<Runnable>(1024);
threadService = new ThreadPoolExecutor(1, 30, 1, TimeUnit.SECONDS, workQueue,
new ThreadPoolExecutor.DiscardOldestPolicy());
random = new Random();
try {
sameRackGossipIntervalMs = Integer.parseInt(gossipManager.getSettings()
.getActiveGossipProperties().get("sameRackGossipIntervalMs"));
@ -216,19 +213,32 @@ public class DatacenterRackAwareActiveGossiper extends AbstractActiveGossiper {
sendSharedData(gossipManager.getMyself(), selectPartner(sameDatacenterDifferentRack()));
}
@Override
public void shutdown() {
super.shutdown();
}
protected LocalGossipMember selectPartner(List<LocalGossipMember> memberList) {
LocalGossipMember member = null;
if (memberList.size() > 0) {
int randomNeighborIndex = random.nextInt(memberList.size());
member = memberList.get(randomNeighborIndex);
scheduledExecutorService.shutdown();
try {
scheduledExecutorService.awaitTermination(5, TimeUnit.SECONDS);
} catch (InterruptedException e) {
LOGGER.debug("Issue during shutdown", e);
}
sendShutdownMessage();
threadService.shutdown();
try {
threadService.awaitTermination(5, TimeUnit.SECONDS);
} catch (InterruptedException e) {
LOGGER.debug("Issue during shutdown", e);
}
return member;
}
/**
* sends an optimistic shutdown message to several clusters nodes
*/
protected void sendShutdownMessage(){
List<LocalGossipMember> l = gossipManager.getLiveMembers();
int sendTo = l.size() < 3 ? 1 : l.size() / 3;
for (int i = 0; i < sendTo; i++) {
threadService.execute(() -> sendShutdownMessage(gossipManager.getMyself(), selectPartner(l)));
}
}
}